McGraw-Hill's National Electrical Safety Code (NESC) 2012 Handbook /

With hundreds of illustrations and photos; practical examples; and concise language; this step-by-step guide provides a rule-by-rule annotation of the NESC that clarifies potentially confusing Code text and allows you to perform your work safely and confidently. .

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Marne, David J. (Autor)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: New York, N.Y. : McGraw-Hill Education, [2012]
Edición:First edition.
Colección:McGraw-Hill's AccessEngineering.
Temas:
Electrical engineering > Safety measures > Standards > United States.
Electrical engineering > Safety regulations > United States.
Electrical engineering > Safety measures > Standards.
Electrical engineering > Safety regulations.
Electronic books.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • A. About the author
  • B. Preface
  • C. Acknowledgments
  • A. General sections
  • 1. Section 01: introduction to the national electrical safety code
  • 010. Purpose
  • 011. Scope
  • 012. General rules
  • 013. Application
  • 014. Waiver
  • 015. Intent
  • 016. Effective date
  • 017. Units of measure
  • 018. Method of calculation
  • 2. Section 02: definitions of special terms
  • 3. Section 03: references
  • 4. Section 09: grounding methods for electric supply and communications facilities
  • 090. Purpose
  • 091. Scope
  • 092. Point of connection of grounding conductor
  • 093. Grounding conductor and means of connection
  • 094. Grounding electrodes
  • 095. Method of connection to electrode
  • 096. Ground resistance requirements
  • 097. Separation of grounding conductors
  • 098. Number 098 not used in this edition.
  • 099. Additional requirements for grounding and bonding of communication apparatus
  • B. Part 1: rules for the installation and maintenance of electric supply stations and equipment
  • 5. Section 10: purpose and scope of rules
  • 100. Purpose
  • 101. Scope
  • 102. Applications of rules
  • 103. Referenced sections
  • 6. Section 11: protective arrangements in electric supply stations
  • 110. General requirements
  • 111. Illumination
  • 112. Floors, floor openings, passageways, and stairs
  • 113. Exits
  • 114. Fire-extinguishing equipment
  • 7. Section 12: installation and maintenance of equipment
  • 120. General requirements
  • 121. Inspections
  • 122. Guarding shaft ends, pulleys, belts, and suddenly moving parts
  • 123. Protective grounding
  • 124. Guarding live parts
  • 125. Working space about electric equipment
  • 126. Equipment for work on energized parts
  • 127. Classified locations
  • 128. Identification
  • 129. Mobile hydrogen equipment
  • 8. Section 13: rotating equipment
  • 130. Speed control and stopping devices
  • 131. Motor control
  • 132. Number 132 not used in this edition
  • 133. Short-circuit protection
  • 9. Section 14: storage batteries
  • 140. General
  • 141. Location
  • 142. Ventilation
  • 143. Racks
  • 144. Floors in battery areas
  • 145. Illumination for battery areas
  • 146. Service facilities
  • 10. Section 15: transformers and regulators
  • 150. Current-transformer secondary circuits protection when exceeding 600 v
  • 151. Grounding secondary circuits of instrument transformers
  • 152. Location and arrangement of power transformers and regulators
  • 153. Short-circuit protection of power transformers
  • 11. Section 16: conductors
  • 160. Application
  • 161. Electrical protection
  • 162. Mechanical protection and support
  • 163. Isolation
  • 164. Conductor terminations
  • 12. Section 17: circuit breakers, reclosers, switches, and fuses
  • 170. Arrangement
  • 171. Application
  • 172. Circuit breakers, reclosers, and switches containing oil
  • 173. Switches and disconnecting devices
  • 174. Disconnection of fuses
  • 13. Section 18: switchgear and metal-enclosed bus
  • 180. Switchgear assemblies
  • 181. Metal-enclosed bus
  • 14. Section 19: surge arresters
  • 190. General requirements
  • 191. Indoor locations
  • 192. Grounding conductors
  • 193. Installation.
  • C. Part 2: safety rules for the installation and maintenance of overhead electric supply and communication lines
  • 15. Section 20: purpose, scope, and application of rules
  • 200. Purpose
  • 201. Scope
  • 202. Application of rules
  • 16. Section 21: general requirements
  • 210. Referenced sections
  • 211. Number 211 not used in this edition
  • 212. Induced voltages
  • 213. Accessibility
  • 214. Inspection and tests of lines and equipment
  • 215. Grounding of circuits, supporting structures, and equipment
  • 216. Arrangement of switches
  • 217. General
  • 218. Vegetation management
  • 17. Section 22: relations between various classes of lines and equipment
  • 220. Relative levels
  • 221. Avoidance of conflict
  • 222. Joint use of structures
  • 223. Communications protective requirements
  • 224. Communication circuits located within the supply space and supply circuits located within the communication space
  • 225. Electric railway construction
  • 18. Section 23: clearances
  • 230. General
  • 231. Clearances of supporting structures from other objects
  • 232. Vertical clearances of wires, conductors, cables, and equipment above ground, roadway, rail, or water surfaces
  • 233. Clearances between wires, conductors, and cables carried on different supporting structures
  • 234. Clearance of wires, conductors, cables, and equipment from buildings, bridges, rail cars, swimming pools, and other installations
  • 235. Clearance for wires, conductors, or cables carried on the same supporting structure
  • 236. Climbing space
  • 237. Working space
  • 238. Vertical clearance between certain communication and supply facilities located on the same structure
  • 239. Clearance of vertical and lateral facilities from other facilities and surfaces on the same supporting structure
  • 19. Section 24: grades of construction
  • 240. General
  • 241. Application of grades of construction to different situations
  • 242. Grades of construction for conductors
  • 243. Grades of construction for line supports
  • 20. Section 25: loadings for grades b and c
  • 250. General loading requirements and maps
  • 251. Conductor loading
  • 252. Loads on line supports
  • 253. Load factors for structures, crossarms, support hardware, guys, foundations, and anchors
  • 21. Section 26: strength requirements
  • 260. General (see also section 20)
  • 261. Grades b and c construction
  • 262. Number 262 not used in this edition
  • 263. Grade n construction
  • 264. Guying and bracing
  • 22. Section 27: line insulation
  • 270. Application of rule
  • 271. Material and marking
  • 272. Ratio of flashover to puncture voltage
  • 273. Insulation level
  • 274. Factory tests
  • 275. Special insulator applications
  • 276. Number 276 not used in this edition
  • 277. Mechanical strength of insulators
  • 278. Aerial cable systems
  • 279. Guy and span insulators
  • D. Part 3: safety rules for the installation and maintenance of underground electric supply and communication lines
  • 23. Section 30: purpose, scope, and application of rules
  • 300. Purpose
  • 301. Scope
  • 302. Application of rule
  • 24. Section 31: general requirements applying to underground lines.
  • 310. Referenced sections
  • 311. Installation and maintenance
  • 312. Accessibility
  • 313. Inspection and tests of lines and equipment
  • 314. Grounding of circuits and equipment
  • 315. Communications protective requirements
  • 316. Induced voltage
  • 25. Section 32: underground conduit systems
  • 320. Location
  • 321. Excavation and backfill
  • 322. Ducts and joints
  • 323. Manholes, handholes, and vaults
  • 26. Section 33: supply cable
  • 330. General
  • 331. Sheaths and jackets
  • 332. Shielding
  • 333. Cable accessories and joints
  • 27. Section 34: cable in underground structures
  • 340. General
  • 341. Installation
  • 342. Grounding and bonding
  • 343. Fireproofing
  • 344. Communication cables containing special supply circuits
  • 28. Section 35: direct-buried cable and cable in duct not part of a conduit system
  • 350. General
  • 351. Location and routing
  • 352. Installation
  • 353. Deliberate separations?equal to or greater than 300 mm (12 in) from underground structures or other cables
  • 354. Random separation?separation less than 300 mm (12 in) from underground structures or other cables
  • 355. Additional rules for duct not part of a conduit system
  • 29. Section 36: risers
  • 360. General
  • 361. Installation
  • 362. Pole risers?additional requirements
  • 363. Pad-mounted installations
  • 30. Section 37: supply cable terminations
  • 370. General
  • 371. Support at terminations
  • 372. Identification
  • 373. Clearances in enclosures or vaults
  • 374. Grounding
  • 31. Section 38: equipment
  • 380. General
  • 381. Design
  • 382. Location in underground structures
  • 383. Installation
  • 384. Grounding and bonding
  • 385. Identification
  • 32. Section 39: installation in tunnels
  • 390. General
  • 391. Environment
  • E. Part 4: work rules for the operation of electric supply and communications lines and equipment
  • 33. Section 40: purpose and scope
  • 400. Purpose
  • 401. Scope
  • 402. Referenced sections
  • 34. Section 41: supply and communications systems?rules for employers
  • 410. General requirements
  • 411. Protective methods and devices
  • 35. Section 42: general rules for employees
  • 420. General
  • 421. General operating routines
  • 422. Overhead line operating procedures
  • 423. Underground line operating procedures
  • 36. Section 43: additional rules for communications employees
  • 430. General
  • 431. Approach to energized conductors or parts
  • 432. Joint-use structures
  • 433. Attendant on surface at joint-use manholes
  • 434. Sheath continuity
  • 37. Section 44: additional rules for supply employees
  • 440. General
  • 441. Energized conductors or parts
  • 442. Switching control procedures
  • 443. Work on energized lines and equipment
  • 444. De-energizing equipment or lines to protect employees
  • 445. Protective grounds
  • 446. Live work
  • 447. Protection against arcing and other damage while installing and maintaining insulators and conductors
  • F. Appendix a: photographs of nesc applications
  • G. Appendix b: osha standards related to the nesc work rules
  • H. 1910.268: telecommunications (operations and maintenance) 1910 subpart r?special industries
  • Regulations (standards - 29 cfr)
  • I. 1910.269 (includes appendix a?e): electric power generation, transmission, and distribution (operation and maintenance) 1910 subpart r?special industries
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • J. 1926.950 through 1926.960: power transmission and distribution (construction) 1926 subpart v?power transmission and distribution
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr)
  • Regulations (standards - 29 cfr).

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